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authorDave Airlie <airlied@redhat.com>2018-01-10 04:36:37 +0000
committerDave Airlie <airlied@redhat.com>2018-01-18 03:37:52 +0000
commit46549bd6b62f251c588bead63866721f7cf9ea1c (patch)
treeab1eea32955530dca4822b39ae23ecb284f10f75
parent5002dd40520deba025d81c824d41e292db344a7b (diff)
r600/sb: adding lds oq tracking to the scheduler
This adds support for tracking the lds oq read/writes so can avoid scheduling other things in between. This patch just adds the tracking and assert to show problems. Acked-By: Roland Scheidegger <sroland@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--src/gallium/drivers/r600/sb/sb_sched.cpp13
-rw-r--r--src/gallium/drivers/r600/sb/sb_sched.h5
2 files changed, 15 insertions, 3 deletions
diff --git a/src/gallium/drivers/r600/sb/sb_sched.cpp b/src/gallium/drivers/r600/sb/sb_sched.cpp
index 6d7ab671ff5..26e4811b1ce 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.cpp
+++ b/src/gallium/drivers/r600/sb/sb_sched.cpp
@@ -312,7 +312,7 @@ alu_group_tracker::alu_group_tracker(shader &sh)
gpr(), lt(), slots(),
max_slots(sh.get_ctx().is_cayman() ? 4 : 5),
has_mova(), uses_ar(), has_predset(), has_kill(),
- updates_exec_mask(), chan_count(), interp_param(), next_id() {
+ updates_exec_mask(), consumes_lds_oqa(), produces_lds_oqa(), chan_count(), interp_param(), next_id() {
available_slots = sh.get_ctx().has_trans ? 0x1F : 0x0F;
}
@@ -680,6 +680,8 @@ void alu_group_tracker::reset(bool keep_packed) {
memset(slots, 0, sizeof(slots));
vmap.clear();
next_id = 0;
+ produces_lds_oqa = 0;
+ consumes_lds_oqa = 0;
has_mova = false;
uses_ar = false;
has_predset = false;
@@ -703,7 +705,8 @@ void alu_group_tracker::update_flags(alu_node* n) {
has_mova |= (flags & AF_MOVA);
has_predset |= (flags & AF_ANY_PRED);
uses_ar |= n->uses_ar();
-
+ consumes_lds_oqa |= n->consumes_lds_oq();
+ produces_lds_oqa |= n->produces_lds_oq();
if (flags & AF_ANY_PRED) {
if (n->dst[2] != NULL)
updates_exec_mask = true;
@@ -1958,6 +1961,7 @@ void alu_kcache_tracker::reset() {
void alu_clause_tracker::reset() {
group = 0;
slot_count = 0;
+ outstanding_lds_oqa_reads = 0;
grp0.reset();
grp1.reset();
}
@@ -1966,7 +1970,7 @@ alu_clause_tracker::alu_clause_tracker(shader &sh)
: sh(sh), kt(sh.get_ctx().hw_class), slot_count(),
grp0(sh), grp1(sh),
group(), clause(),
- push_exec_mask(),
+ push_exec_mask(), outstanding_lds_oqa_reads(),
current_ar(), current_pr(), current_idx() {}
void alu_clause_tracker::emit_group() {
@@ -1988,6 +1992,8 @@ void alu_clause_tracker::emit_group() {
clause->push_front(g);
+ outstanding_lds_oqa_reads += grp().get_consumes_lds_oqa();
+ outstanding_lds_oqa_reads -= grp().get_produces_lds_oqa();
slot_count += grp().slot_count();
new_group();
@@ -2000,6 +2006,7 @@ void alu_clause_tracker::emit_clause(container_node *c) {
kt.init_clause(clause->bc);
+ assert(!outstanding_lds_oqa_reads);
assert(!current_ar);
assert(!current_pr);
diff --git a/src/gallium/drivers/r600/sb/sb_sched.h b/src/gallium/drivers/r600/sb/sb_sched.h
index 5a2663442bc..91a34e078d9 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.h
+++ b/src/gallium/drivers/r600/sb/sb_sched.h
@@ -127,6 +127,8 @@ class alu_group_tracker {
bool has_kill;
bool updates_exec_mask;
+ bool consumes_lds_oqa;
+ bool produces_lds_oqa;
unsigned chan_count[4];
// param index + 1 (0 means that group doesn't refer to Params)
@@ -166,6 +168,8 @@ public:
unsigned literal_slot_count() { return (literal_count() + 1) >> 1; };
unsigned slot_count() { return inst_count() + literal_slot_count(); }
+ bool get_consumes_lds_oqa() { return consumes_lds_oqa; }
+ bool get_produces_lds_oqa() { return produces_lds_oqa; }
alu_group_node* emit();
rp_kcache_tracker& kcache() { return kc; }
@@ -212,6 +216,7 @@ class alu_clause_tracker {
bool push_exec_mask;
+ unsigned outstanding_lds_oqa_reads;
public:
container_node conflict_nodes;